Hydro-extractor or centrifugal machine



July 31, 1928. 1,678,938

. A; F.' DUNSMORE HYDRO Exwnwron on GENTRIFUGAL MACHINE Filed ieb.16;:1927 2' sheets-sheet l n 0 j 'l Q s I lo i N Lr.

fzu'snaz." HEULznmaz-fe g Krk July 31, 1928 A. F.-=n uNsMoRE HYDROEXTRACTOROR CENTRIFUGAL MACHINE Filed Feb. 16, '1927 2 Sheets-SheetF'IG. 3.`

In uen Ear-1 F'DUnsmaz-'E by; M M Hgs Patented `uly 3l, 1928.

ALEXANDER FRASER DUNSMORE, OF GLASGOW, SCOTLAND.`

HYDRO-EXTRACTOR OR CENTRIFUGAL. MACHINE.

Application led February 16, 1927, Serial No. 168,760, and in GreatBritain December 30, 1926.

This invention relates to improvements in hydro-extractors orcentrifugal machines particularly such as are used for removal of waterfrom clothes and the like. y

The invention has for its object to provide in such a machine improvedmeans for preventing access of fog, soot, etc., to the interior of themachine basket and thus soiling the contents of the basket.

According to the invention there is provided for removable attachment'to the machine spindle, so as when in position to form a cover for thebasket, a preferably sectional skeleton or apertured frame having panelsformed as filters, e. vg., of triple filter fabric, so contrived thatthe filter fabric is not subject to undue tearing stresses in theoperation of the machine andthat the panels may be individually removedand eX- changed if and when required.

The panelled frame may be automatically locked to the rim of the basketwhile the machine is in operation.

For attachment of the frame to the spindie it is preferred to iit tothespindle a socketed collar pinched to the spindle by a set pin or thelike and the frame is formed with a bush adapted to iit the socket inthe collar. As is understood, if the frame is sectional, the bush issplit. For example, the frame proper may comprise two complementar-ysemi-circular eiements having radial spokes with panels filling the gapsbetween the spokes and clamped to the spokes by straps secured by screwsor the like, or the frame may be formed with apertures of any desiredform and number and closed by iilter panels. l

There may be pivoted to the periphery of the frame on the under sideswing bolts, which, when the machine is stationary, hang clear of thebasket rim but rwhich in the operation of the machine Hy out under theaction of centrifugal force and engage beneath the rim.

The invention is equally applicable to topdriven and under-drivenmachines, it being understood that when the machine is top-y driven theframe requires to be sectional, the sections being ydropped intoposition so that. the split bush fills the socket in the collar.Alternatively, the colla-r may be formed with a socket on the under sideand be mounted above instead of below the frame for sliding movement onthe spindle.

In the accompanying drawings Fig. 1 isa fragmentary vertical section ofa hydroextractor with attachment according to the Invention; Fig. 2 is aplan View of the attachment; F ig. 3 is a fragmentary section to anenlarged scale of the rim of the attachment frame.

Ieferring to the drawings, l denotes the spindle of a hydro-extractor onwhich is pinched by means of a set pin 2 a socketed collar 3. Engageablewith the socket in the collar 3 are the sections of a split bush 4unitary with the sections of a skeleton circular frame having spokes 5connecting the bush with the annular' rim 6, the gaps between the spokesbeing filled with panels 7 of filter fabric nipped between the frame andstraps 8 removably secured to the frame by screws 9. Y

The panelled frame when in position forms a cover for the basket l0.

Pivoted to the annular rim 6 of the frame on the under side are weightsll which when the machine is stationary hang clear of the basket rim 12but which in the operation of the machine fly out under the action ofcentrifugal force and function as swing bolts engageable with the underside of the basket rim.

What I claim is i1. In a hydro-extractor, in combination with a `rotaryspindle, a basket rotatable with said spindle, a socket held to saidspindle, and a panelled frame to form a cover for said basket, saidframe having a bush engageable with the socket,` the panels of saidframe being removable andcomposed of filtering medium.

2. In a hydro-extractor, in combination with a rotary spindle, a basketrotatable with said spindle, a socket held to said spindle, and asectional panelled frame to form a cover for said basket, said framehaving a bush engageable with said socket, said bush comprising sectionseach unitary with a sector of said frame.

3. In a hydro-extractor, in combination,

a rotary spindle, a basket rotatable with said spindle, and having aninturned rim presenting a cent-ral aperture, a socket held to saidspindle a panelled frame removably attaehe'd to said spindle to closesaid aperture, said frame having a bush engageable with said socket thepanels of said frame being removable and composed of filtering medium,and means for locking Vsaid frame to said rim automatically in therotation of said basket.

4:. In a hydro-extractor, in combination, a rotary spindle, a basketrotatable with said spindle, a skeleton frame, panels of filter- 10 ingmedium litted to said frame, straps between which and said frame saidpanels are nipped, and means for removably attaching said frame to saidspindle to form a cover for said basket.

In testimony Whereorn I have signed my name to this specification.ALEXANDER FRASER DUN SMORE.

